# Ex.1.2 Q2 Number System Solution - NCERT Maths Class 9

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## Question

Are the square roots of all positive integers irrational? If not, give an example of the square root of a number that is a rational number.

Video Solution

Number Systems

Ex 1.2 | Question 2

## Text Solution

**Steps:**

The square roots of positive integers are not irrationals.

Example: \(\begin{align}\,\sqrt 4 = 2\end{align}\) and **\(2\)** in a rational number \(\begin{align} \left(\because 2=\frac{2}{1}\right) \end{align}\)

Video Solution

Number Systems

Ex 1.2 | Question 2